[Bug tree-optimization/56365] [5 Regression] Missed opportunities for smin/smax standard name patterns when compiling as C++

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56365

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
Keeping it open as it is a regression and to mark the last GCC 5 release as
known-to-fail.